These seeds have many different names such: Deer's eye, Ojo de Venado, Sea Beans, Drift Seeds, Brown Hamburger, Ox Eye seeds, Mucuna Vine seeds, Ojo de Buey. This listing is for 6 seeds. They are all 100% natural; they have not been altered except for the drilling. Size, thick and color may varies from brown to almost black. Please see the pictures I compared them with a 1 cent coin.